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Guilherme Grecov is a Senior Data Scientist at Juntos Somos Mais, where responsibilities include analyzing data using Natural Language Processing (NLP), developing machine learning models for pricing predictions, performing exploratory data analysis (EDA), and creating an AI-driven chatbot. Previously held roles include Pleno Data Analytics, focusing on predictive cost modeling and reducing voluntary churn, and Junior Data Analytics, achieving significant improvements in conversion rates and data analysis efficiencies. Guilherme also gained experience as a Data Analytics intern at Agencia Influência and various internships emphasizing data visualization and process automation. In addition to technical expertise in Python, Excel, and Power BI, Guilherme actively mentors in Data Science and Analytics at Awari. Educational qualifications include a Bachelor's in Science and Technology from Universidade Federal do ABC and technical training in programming from Etec Getúlio Vargas.